D 1767 (OTTO) Diethyl oxalate, puriss, 99%+ Cas 95-92-1 - used in microemulsion synthesis of ZnO nanoparticles. D 1767 (OTTO) Diethyl oxalate, puriss, 99%+ Cas 95-92-1 - used in the synthesis of sym-1,4-diphenyl-1,4-dihydro-1,2,4,5-polytetrazine. D 1767 (OTTO) Diethyl oxalate, puriss, 99%+ Cas 95-92-1 - used as Intermediate for the preparation of pharmaceuticals.